What is the result of executing the following relational algebra? color=c(name = 'P1 (Part * (p Pt (id, name, c) (Part)))) Part pid 1 2 3 4 5 pname PI P2 P3 P4 P5 color Red Blue Red Green Blue Select one: a. pid 1 3 pname P1 P3 color Red Red id 1 1 name PI PI Red Red b. pid 1 pname PI color Red id 1 name PI Red C. pid 1 pname P1 color Red d. Pid 1 3 pname PI P3 color Red Red